2021 Mercedes-AMG GT R Black Series Opens Supercar Hunting Season On The ‘Ring. BY Cristian Gnaticov | Posted on May 2, 2020 May 1, 2020. Despite turning 6 years old, we’ve yet to see the The 2021 Mercedes-AMG GT Black Series still has a V8, but it doesn’t sound like anything else powered by the M176/M177/M178 because it’s an all-new design. Taking a page from the classic supercar Mercedes-Benz and the AMG division are expected to reveal the Black Series in the second half of the year, meaning that first deliveries for Europe and the U.S. will be made for the 2021 model When combined with the improved aerodynamics, the GT R Black Series will be able to sprint to 62 mph (100 km/h) in roughly 3 seconds. The GT R and GT R Pro can do it in 3.6 seconds and have a 2021 Mercedes-AMG GT Black spy shots – Photo credit: S. Baldauf/SB-Medien The GT R Pro is already one of the fastest rear-wheel-drive production cars around the ‘Ring, with a time of 7:04.63 Propelling the 2021 Mercedes-AMG GT Black Series will be the same 4.0-litre twin-turbo V8 that is expected to produce a power output in the range of 700bhp. The model is likely to sprint from .